Rifle used in the St. Louis school shooting had been taken from the gunman about a week before the attack, police say

The AR-15-style rifle used in the deadly St. Louis school shooting had been taken from the shooter’s possession during an interaction with police about a week before the attack, and it’s unclear how he got it back, police say.

​The AR-15-style rifle used in the deadly St. Louis school shooting had been taken from the shooter’s possession during an interaction with police about a week before the attack, and it’s unclear how he got it back, police say.